.box {
  width: 100%;
  height: 100%;
  background: url(../img/sign-bg.jpg) no-repeat center;
  background-size: cover;
  color: #fff;
  padding: 28px 32px;
  box-sizing: border-box;
  .head {
    a {
      color: #fff;
      margin-left: 70%;
    }
  }
  h2 {
    margin-top: 23px;
    margin-top: 10px;
    margin-bottom: 70px;
  }

  input {
    width: 100%;
    line-height: 50px;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.5);
    margin-bottom: 34px;
    color: #fff;
    padding: 0 20px;
  }
  input::placeholder {
    color: #fff;
  }

  button {
    padding: 14px 138px;
    border-radius: 25px;
    color: #ffff;
    background: rgba(77, 192, 131, 0.5);
    margin-bottom: 10px;
  }
  .err-msg {
    text-align: center;
    height: 20px;
    color: #fff;
    margin-bottom: 24px;
  }

  .foot {
    display: flex;
    justify-content: right;
    a {
      color: #fff;
      margin-left: 50px;
    }
  }

  .login-foot {
    margin-top: 180px;
    text-align: center;
  }
}
